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Description: 数字信号处理实践方法，从一到三囊括了数字信号处理的模数变换、DFT变换、Z变换、滤波器设计等-Digital signal processing practices, from 1-3 to include digital signal processing of analog-to-digital transformation, DFT transform, Z transform, filter design, etc.
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Size: 9216 |
Author: hbeishang |
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Description: 数字水印在matlab下的仿真实现整个程序运行还行，共享给大家-jpeg of the Matlab Simulation, and the whole process has run OK, for everyone to share -Digital watermarking in matlab simulation run also realize the whole process line, to share to everyone-jpeg of the Matlab Simulation, and the whole process has run OK, for everyone to share
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Size: 99328 |
Author: 小户 |
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Description: 程序包括有维纳滤波，中值滤波，高斯变换，DFT变换等等图像滤波源代码-Procedures include Wiener filtering, median filtering, Gaussian transform, DFT transform source image filtering, etc.
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Size: 35840 |
Author: xlz |
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Description: DSP信号处理，频谱分析，DFT性质的演示，包括实指数序列，复指数序列-DSP signal processing, spectrum analysis, DFT nature demonstrations, including the actual index series, complex exponential sequence
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Size: 7168 |
Author: 郑魏魏 |
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Description: FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT。按照抽取方式的不同可分为DIT-FFT（按时间抽取）和DIF-FFT（按频率抽取）算法。按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子（2n,n为大于1的整数），基2、基4算法较为常用。-FFT algorithm is the basic principle of DFT successive long sequence is broken down into shorter sequences of DFT. In accordance with the different extraction methods can be divided into the DIT-FFT (time taken) and the DIF-FFT (according to the frequency of extraction) algorithm. In accordance with the composition of different butterfly operations can be divided into base 2, base 4, base 8, as well as arbitrary factor (2n, n is an integer greater than 1), radix-2, Radix-4 algorithm is more commonly used.
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Size: 1024 |
Author: 李文 |
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Description: 数字信号处理基于matlab 文件内容
/conv(卷积部分)
dupconv 重叠保留法
freqcirconv 频域圆周卷积
freqconv 频域卷积
timecirconv 时域圆周卷积
timeconv 时域卷积
/fft(频域分析部分)
d2fft 基2FFT
dft DFT最简化程序
dtft DTFT演示
/fir(fir滤波器设计)
fir 得到fir滤波器hn
getwindow 得到fir滤波器窗函数wn
idealfilter 理想滤波器(低通,高通,带通)hdn
idealhd 理想低通滤波器
/fir gui(fir滤波器GUI设计)
gui_top 总图
gui_fir fir滤波器GUI
gui_sigout 选择信号GUI
/power caculate(功率谱分析)
directpower 直接谱分析
indirectpower 间接谱分析(估计谱分析)
noise 噪声谱分析
/sigout(常见信号产生)
sigout 离散信号产生-Digital signal processing matlab based on the content of the document/conv (convolution part) dupconv law of reservations freqcirconv overlapping frequency domain circular convolution freqconv frequency domain convolution timecirconv time-domain circular convolution timeconv time-domain convolution/fft (frequency domain analysis part) d2fft base 2FFT dft DFT the most simplified procedure dtft DTFT demo/fir (fir filter design) fir be fir filter hn getwindow be fir filter window function wn idealfilter ideal filter (low pass, high pass, band-pass) hdn idealhd ideal low-pass Filter/fir gui (fir filter GUI design) gui_top general layout gui_fir fir filter selection GUI gui_sigout signal GUI/power caculate (power spectrum analysis) directpower direct spectral analysis indirectpower indirect spectral analysis (spectral analysis estimated) noise noise spectrum analysis/sigout (common signals) sigout discrete signals
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Size: 36864 |
Author: 李文 |
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Description: matlab,功率谱估计，包括PSD,DFT,最大熵等方法-matlab, power spectrum estimation, including PSD, DFT, such as maximum entropy method
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Size: 3072 |
Author: air |
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Description: 快速傅立叶变换（FFT）算法实现
将DFT算法与FFT算法计算时间进行比较，分析二者的效率和精确差异。-Fast Fourier Transform (FFT) algorithm to DFT algorithm and FFT algorithm for computing time to carry out comparative analysis between the two differences in the efficiency and precision.
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Size: 16384 |
Author: 张帅 |
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Description: matlab 实验报告
matlab 实验报告
matlab 实验报告-Experimental Report matlab report matlab experimental experimental report matlab
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Size: 358400 |
Author: zhang jing |
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Description: 利用傅里叶变换，在频域上对两幅图像配准，是一种比较配准的新方法，但是对弹性配准的效果不是很好 需要进一步的研究。-Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. Instead of computing a zero-padded FFT (fast Fourier transform), this code uses selective upsampling by a matrix-multiply DFT (discrete FT) to dramatically reduce computation time and memory without sacrificing accuracy
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Size: 5120 |
Author: wangwei |
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Description: 现在我终于找到了一份,它以FUNCTION的形式,再现了OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码.希望大家能从中得到你需要的东西.
-Now I finally found a copy of it to the form of FUNCTION, reproduces OFDM mapping, IDFT/DFT, synchronized (time/frequency synchronization), and channel estimation, as well as the frequency deviation of the estimated range of the code. I hope that everyone will be you need.
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Size: 35840 |
Author: 周致远 |
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Description: matlab编写的离散fourier变换程序，好东西哦 -Discrete fourier transform process with matlab language, good things!
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Size: 1024 |
Author: hui |
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Description: 快速傅里叶变换， 频谱的泄露，混叠误差实例的matla程序。-Fast Fourier Transform: In order to reduce the number of DFT calculations of a fast algorithm.
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Size: 67584 |
Author: 邱颖 |
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Description: 本源码用MATLAB语言实现了自适应LMS算法，并附有FFT分析-LMS FFT
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Size: 1024 |
Author: 黄秋华 |
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Description: dft的源码，你可以用matlab实现你要的结果。不信你试试。-dft' s source, you can use matlab to achieve the results you want. Do not believe you try.
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Size: 729088 |
Author: dilbar |
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Description: FFT，即为快速傅氏变换，是离散傅氏变换的快速算法，它是根据离散傅氏变换的奇、偶、虚、实等特性，对离散傅立叶变换的算法进行改进获得的。它对傅氏变换的理论并没有新的发现，但是对于在计算机系统或者说数字系统中应用离散傅立叶变换，可以说是进了一大步。 设x(n)为N项的复数序列，由DFT变换，任一X（m）的计算都需要N次复数乘法和N-1次复数加法，而一次复数乘法等于四次实数乘法和两次实数加法， -FFT, fast Fourier transform which is a discrete fast Fourier transform algorithm, which is the discrete Fourier transform of the odd and even, true, false, such as characteristics of the Discrete Fourier Transform algorithm obtained. Fourier transform theory it is not a new discovery, but in the computer system or the application of digital systems Discrete Fourier Transform, can be said to be a big step. Set x (n) for N sequences of the plural, by the DFT transform, either X (m) requires the calculation of complex multiplication and N times N-1 times the plural adder, and a complex multiplication is equivalent to four times the number of multiplication and two real addition,
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Size: 1024 |
Author: 常虎 |
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Description: 包含OFDM系统仿真，星状导频仿真，瑞利信道估计以及FFT与DFT算法复杂度比较。集合了12个项目，呵呵。-Contains the OFDM system simulation, the astroid pilot frequency simulation, the Rayleigh channel estimates as well as FFT and the DFT algorithm order of complexity compares. Has gathered 12 projects, ha-ha.
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Size: 49152 |
Author: 卡其米奇 |
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Description: 频域法加入数字水印的原理是首先将原始信号（语音一维信号、图像二维信号）变换到频域，常用的变换一般有DWT、DCT、DFT、WP和分形。然后，对加入了水印信息的信号进行频域反变换（IDWT、IDCT、DFT、WP），得到含有水印信息的信号。-Frequency-domain digital watermarking method by adding the principle is that first of all, the original signal (voice signal of one-dimensional, two-dimensional image signal) to frequency domain transformation, commonly used in general transform DWT, DCT, DFT, WP and fractal. Then, adding the watermark information signal to the frequency domain inverse transform (IDWT, IDCT, DFT, WP), received signal containing the watermark information.
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Size: 2048 |
Author: laura |
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Description: DFT in matlab, the code is a example of long time in computation.
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Size: 1024 |
Author: Eymardh7 |
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Description: Advanced DSP- uniform DFT filter bank
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Size: 1024 |
Author: sunil |
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